Test cup holder



FIG. 1 is a perspective view of a test cup holder showing the design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a back elevational view thereof;

FIG. 4 is a left elevational view thereof;

FIG. 5 is a right elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines shown in the drawings represent portions of the test cup holder which form no part of the claimed design. 

CLAIM The ornamental design for a test cup holder, as shown and described. 